Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482689 | Process for the accelerated production of red lead oxide | — | 1996-01-09 |
| 4975268 | Method for finish burning of litharge | — | 1990-12-04 |
| 4536385 | Method and apparatus for the production of industrial lead oxide | Rainer Heubach, Peter Kunz, Dieter Hauke | 1985-08-20 |
| 4412658 | Method and a device for manufacturing partially oxidized lead dust | Rainer Heubach, Dieter Hauke | 1983-11-01 |